Port wine stains is a skin discoloration that usually appear during infancy. One to two percent of every infant is born with port wine stain. This skin discoloration can appear on anyone regarding the gender. Port wine stain can be caused when an area of the skin does not have any sufficient supply of nerve fibers which can cause small blood vessels called capillaries to expand. The expanding of these capillaries can be caused by great amounts of blood flow to the blood vessels causing a red or pinkish stain to appear underneath the skin. Port wine stain is a type of birthmark that belongs to the vascular birthmark side. You would know a newborn infant can have one when he is born with a visible, flat and pink patches than may appear on any sides of the infant’s body. This type o0f birthmark will continue to grow and darken as the baby grows; this is why a constant checking on the area with melasma is very much important. Port wine stains are permanent birthmarks that do not fade. This can even remain the same over time or worst can thicken progressively which can develop into small ridges and bumps on the skin that can eventually cause complications especially on some parts of the body.